Types of systems
Types of systems
physical systems: simple machines
A closer look at forces
Friction
Bonus
100
a group of parts that work together to perform a desired task
what is a system?
100
a device that requires a single force to work; made of only one or two parts
What is a simple machine?
100
gravitational force, electromagnetic force , strong nuclear force, and weak nuclear force.
What are four fundamental forces in nature?
100
the force that resists the movement of objects sliding or rolling over one another
What is friction?
100
the force of gravity is
What is 9.8 N/kg?
200
a group of physical parts that need to work together to perform a function
What is a physical system?
200
Ramps/Staircase
What is a inclined plane?
200
the quantity of force
What is Magnitude?
200
a force that prevents surfaces at rest from sliding against one another
What is static friction?
200
an English physicist who developed many of our current ideas about force and motion
Who is Sir lsaac Newton?
300
The solar system and an animals digestive systems
What are natural physical systems?
300
The effort force applied to the lever
What is input force?
300
the unit used to measure forces (N)
What is Newton measure force?
300
the force that acts like a brake when one surface slides over another surface
What is sliding friction?
300
is a modified wheel and axle.
What is a gear?
400
a group of people, or other organisms, joining together to perform tasks and establish relationships
What are social systems?
400
the force the lever applies to the load
What is output force?
400
a measure of the amount of matter or material in an object
What is mass?
400
a substance that reduces friction and causes surfaces, to slide more easily
What is lubricant?
500
any push or pull
What is force?
500
the force that the input force has to overcome in order to cause movement
What is load force?
500
a measure of how strong the force of gravity is between two objects.
What is Weight?